Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a second embodiment thereof.

The broken lines showing the display screen or portion thereof and the graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 